Bulldog welding helmet



FIG. 1 is a front view of a bulldog welding helmet showing my new design;

FIG. 2 is a right side view thereof, the left side being a mirror image;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof; and,

FIG. 5 is a rear view thereof.

The broken line boundary and portions of the article within the broken lines in FIGS. 4 and 5 form no part of the claimed design. 

The ornamental design for a bulldog welding helmet, as shown and described. 